13697235 has 32 divisors (see below), whose sum is σ = 24509760. Its totient is φ = 7257600.

The previous prime is 13697221. The next prime is 13697237. The reversal of 13697235 is 53279631.

It is not a de Polignac number, because 13697235 - 2⁹ = 13696723 is a prime.

It is a super-2 number, since 2×13697235² = 375228493290450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13697235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13697237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32325 + ... + 32745.

It is an arithmetic number, because the mean of its divisors is an integer number (765930).

Almost surely, 2^13697235 is an apocalyptic number.

13697235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13697235 is a deficient number, since it is larger than the sum of its proper divisors (10812525).

13697235 is a wasteful number, since it uses less digits than its factorization.

13697235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 670 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 13697235 is about 3700.9775735608. The cubic root of 13697235 is about 239.2641524239.

The spelling of 13697235 in words is "thirteen million, six hundred ninety-seven thousand, two hundred thirty-five".