12491962 has 24 divisors (see below), whose sum is σ = 22336020. Its totient is φ = 5221440.

The previous prime is 12491939. The next prime is 12491971. The reversal of 12491962 is 26919421.

It can be written as a sum of positive squares in 2 ways, for example, as 10055241 + 2436721 = 3171^2 + 1561^2 .

It is a super-2 number, since 2×12491962² = 312098229218888, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2464 + ... + 5572.

Almost surely, 2^12491962 is an apocalyptic number.

12491962 is a deficient number, since it is larger than the sum of its proper divisors (9844058).

12491962 is a wasteful number, since it uses less digits than its factorization.

12491962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166 (or 3159 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 12491962 is about 3534.3969782694. The cubic root of 12491962 is about 232.0296855593.

The spelling of 12491962 in words is "twelve million, four hundred ninety-one thousand, nine hundred sixty-two".