13023975 has 24 divisors (see below), whose sum is σ = 21661312. Its totient is φ = 6904800.

The previous prime is 13023973. The next prime is 13023979. The reversal of 13023975 is 57932031.

It is not a de Polignac number, because 13023975 - 2¹ = 13023973 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15414 + ... + 16236.

Almost surely, 2^13023975 is an apocalyptic number.

13023975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13023975 is a deficient number, since it is larger than the sum of its proper divisors (8637337).

13023975 is a wasteful number, since it uses less digits than its factorization.

13023975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047 (or 1042 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 13023975 is about 3608.8744782827. The cubic root of 13023975 is about 235.2779267965.

The spelling of 13023975 in words is "thirteen million, twenty-three thousand, nine hundred seventy-five".