12136963 has 4 divisors (see below), whose sum is σ = 12850920. Its totient is φ = 11423008.

The previous prime is 12136937. The next prime is 12137003. The reversal of 12136963 is 36963121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36963121 = 13 ⋅2843317.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12136963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12136913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356953 + ... + 356986.

It is an arithmetic number, because the mean of its divisors is an integer number (3212730).

Almost surely, 2^12136963 is an apocalyptic number.

12136963 is a deficient number, since it is larger than the sum of its proper divisors (713957).

12136963 is an equidigital number, since it uses as much as digits as its factorization.

12136963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713956.

The product of its digits is 5832, while the sum is 31.

The square root of 12136963 is about 3483.8144324863. The cubic root of 12136963 is about 229.8105749737.

The spelling of 12136963 in words is "twelve million, one hundred thirty-six thousand, nine hundred sixty-three".