12997335 has 16 divisors (see below), whose sum is σ = 22395744. Its totient is φ = 6398592.

The previous prime is 12997297. The next prime is 12997337. The reversal of 12997335 is 53379921.

It is not a de Polignac number, because 12997335 - 2⁷ = 12997207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 12997293 and 12997302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12997337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33132 + ... + 33521.

It is an arithmetic number, because the mean of its divisors is an integer number (1399734).

Almost surely, 2^12997335 is an apocalyptic number.

12997335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12997335 is a deficient number, since it is larger than the sum of its proper divisors (9398409).

12997335 is a wasteful number, since it uses less digits than its factorization.

12997335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66674.

The product of its digits is 51030, while the sum is 39.

The square root of 12997335 is about 3605.1816875159. The cubic root of 12997335 is about 235.1174002203.

The spelling of 12997335 in words is "twelve million, nine hundred ninety-seven thousand, three hundred thirty-five".