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13297396 = 227474907
BaseRepresentation
bin110010101110…
…011011110100
3221000120121011
4302232123310
511401004041
61153002004
7221011630
oct62563364
927016534
1013297396
117562592
124553304
1329a76a8
141aa1dc0
151279e81
hexcae6f4

13297396 has 12 divisors (see below), whose sum is σ = 26594848. Its totient is φ = 5698872.

The previous prime is 13297391. The next prime is 13297409. The reversal of 13297396 is 69379231.

13297396 is an admirable number.

It is a hoax number, since the sum of its digits (40) 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 (13297391) 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, 237426 + ... + 237481.

Almost surely, 213297396 is an apocalyptic number.

It is an amenable number.

13297396 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13297396 is a wasteful number, since it uses less digits than its factorization.

13297396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474918 (or 474916 counting only the distinct ones).

The product of its digits is 61236, while the sum is 40.

The square root of 13297396 is about 3646.5594743539. The cubic root of 13297396 is about 236.9129865076.

The spelling of 13297396 in words is "thirteen million, two hundred ninety-seven thousand, three hundred ninety-six".

Divisors: 1 2 4 7 14 28 474907 949814 1899628 3324349 6648698 13297396