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1321372 = 221325411
BaseRepresentation
bin101000010100110011100
32111010120201
411002212130
5314240442
644153244
714142253
oct5024634
92433521
101321372
11822848
12538824
133735a0
1426579a
151b17b7
hex14299c

1321372 has 12 divisors (see below), whose sum is σ = 2490376. Its totient is φ = 609840.

The previous prime is 1321363. The next prime is 1321379. The reversal of 1321372 is 2731231.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12654 + ... + 12757.

21321372 is an apocalyptic number.

It is an amenable number.

1321372 is a deficient number, since it is larger than the sum of its proper divisors (1169004).

1321372 is a wasteful number, since it uses less digits than its factorization.

1321372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25428 (or 25426 counting only the distinct ones).

The product of its digits is 252, while the sum is 19.

The square root of 1321372 is about 1149.5094605961. The cubic root of 1321372 is about 109.7341237198.

The spelling of 1321372 in words is "one million, three hundred twenty-one thousand, three hundred seventy-two".

Divisors: 1 2 4 13 26 52 25411 50822 101644 330343 660686 1321372