12961862 has 4 divisors (see below), whose sum is σ = 19442796. Its totient is φ = 6480930.

The previous prime is 12961849. The next prime is 12961867. The reversal of 12961862 is 26816921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12961867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3240464 + ... + 3240467.

It is an arithmetic number, because the mean of its divisors is an integer number (4860699).

Almost surely, 2^12961862 is an apocalyptic number.

12961862 is a deficient number, since it is larger than the sum of its proper divisors (6480934).

12961862 is an equidigital number, since it uses as much as digits as its factorization.

12961862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6480933.

The product of its digits is 10368, while the sum is 35.

The square root of 12961862 is about 3600.2586018229. The cubic root of 12961862 is about 234.9033071344.

The spelling of 12961862 in words is "twelve million, nine hundred sixty-one thousand, eight hundred sixty-two".