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13311414 = 232739523
BaseRepresentation
bin110010110001…
…110110110110
3221001021211100
4302301312312
511401431124
61153150530
7221100534
oct62616666
927037740
1013311414
117572076
12455b446
1329b0b9c
141aa7154
15127e1c9
hexcb1db6

13311414 has 12 divisors (see below), whose sum is σ = 28841436. Its totient is φ = 4437132.

The previous prime is 13311413. The next prime is 13311433. The reversal of 13311414 is 41411331.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 739523 = 13311414 / (1 + 3 + 3 + 1 + 1 + 4 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 369744 + ... + 369779.

It is an arithmetic number, because the mean of its divisors is an integer number (2403453).

Almost surely, 213311414 is an apocalyptic number.

13311414 is an abundant number, since it is smaller than the sum of its proper divisors (15530022).

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

13311414 is a wasteful number, since it uses less digits than its factorization.

13311414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739531 (or 739528 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 13311414 is about 3648.4810538086. The cubic root of 13311414 is about 236.9962078120.

Adding to 13311414 its reverse (41411331), we get a palindrome (54722745).

The spelling of 13311414 in words is "thirteen million, three hundred eleven thousand, four hundred fourteen".

Divisors: 1 2 3 6 9 18 739523 1479046 2218569 4437138 6655707 13311414