12513963 has 48 divisors (see below), whose sum is σ = 21669120. Its totient is φ = 6350400.

The previous prime is 12513961. The next prime is 12513973. The reversal of 12513963 is 36931521.

It is not a de Polignac number, because 12513963 - 2¹ = 12513961 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12513963.

It is not an unprimeable number, because it can be changed into a prime (12513961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 114753 + ... + 114861.

It is an arithmetic number, because the mean of its divisors is an integer number (451440).

Almost surely, 2^12513963 is an apocalyptic number.

12513963 is a deficient number, since it is larger than the sum of its proper divisors (9155157).

12513963 is a wasteful number, since it uses less digits than its factorization.

12513963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 201 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 12513963 is about 3537.5080211923. The cubic root of 12513963 is about 232.1658235311.

The spelling of 12513963 in words is "twelve million, five hundred thirteen thousand, nine hundred sixty-three".