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1339912 = 23771337
BaseRepresentation
bin101000111001000001000
32112002000101
411013020020
5320334122
644415144
714250310
oct5071010
92462011
101339912
11835772
125474b4
1337bb62
1426c440
151b7027
hex147208

1339912 has 32 divisors (see below), whose sum is σ = 2920320. Its totient is φ = 564480.

The previous prime is 1339909. The next prime is 1339931. The reversal of 1339912 is 2199331.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3808 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (91260).

21339912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1339912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460160).

1339912 is an abundant number, since it is smaller than the sum of its proper divisors (1580408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1339912 is a wasteful number, since it uses less digits than its factorization.

1339912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 417 counting only the distinct ones).

The product of its digits is 1458, while the sum is 28.

The square root of 1339912 is about 1157.5456794442. The cubic root of 1339912 is about 110.2449637167.

The spelling of 1339912 in words is "one million, three hundred thirty-nine thousand, nine hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 71 142 284 337 497 568 674 994 1348 1988 2359 2696 3976 4718 9436 18872 23927 47854 95708 167489 191416 334978 669956 1339912