13012497 has 12 divisors (see below), whose sum is σ = 19901700. Its totient is φ = 8164608.

The previous prime is 13012487. The next prime is 13012499. The reversal of 13012497 is 79421031.

It can be written as a sum of positive squares in 2 ways, for example, as 8242641 + 4769856 = 2871^2 + 2184^2 .

It is not a de Polignac number, because 13012497 - 2⁷ = 13012369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13012497.

It is not an unprimeable number, because it can be changed into a prime (13012499) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42372 + ... + 42677.

It is an arithmetic number, because the mean of its divisors is an integer number (1658475).

Almost surely, 2^13012497 is an apocalyptic number.

13012497 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13012497 is a deficient number, since it is larger than the sum of its proper divisors (6889203).

13012497 is a wasteful number, since it uses less digits than its factorization.

13012497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85072 (or 85069 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 13012497 is about 3607.2838812602. The cubic root of 13012497 is about 235.2087898457.

The spelling of 13012497 in words is "thirteen million, twelve thousand, four hundred ninety-seven".