12563962 has 4 divisors (see below), whose sum is σ = 18845946. Its totient is φ = 6281980.

The previous prime is 12563953. The next prime is 12563963. The reversal of 12563962 is 26936521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12538681 + 25281 = 3541^2 + 159^2 .

It is a super-2 number, since 2×12563962² = 315706282274888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12563963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3140989 + ... + 3140992.

Almost surely, 2^12563962 is an apocalyptic number.

12563962 is a deficient number, since it is larger than the sum of its proper divisors (6281984).

12563962 is an equidigital number, since it uses as much as digits as its factorization.

12563962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281983.

The product of its digits is 19440, while the sum is 34.

The square root of 12563962 is about 3544.5679567473. The cubic root of 12563962 is about 232.4746154889.

The spelling of 12563962 in words is "twelve million, five hundred sixty-three thousand, nine hundred sixty-two".