12961492 has 18 divisors (see below), whose sum is σ = 23497838. Its totient is φ = 6255648.

The previous prime is 12961483. The next prime is 12961499. The reversal of 12961492 is 29416921.

12961492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 6170256 + 6791236 = 2484^2 + 2606^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12961499) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1438 + ... + 5290.

Almost surely, 2^12961492 is an apocalyptic number.

It is an amenable number.

12961492 is a deficient number, since it is larger than the sum of its proper divisors (10536346).

12961492 is a wasteful number, since it uses less digits than its factorization.

12961492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915 (or 3884 counting only the distinct ones).

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

The square root of 12961492 is about 3600.2072162585. The cubic root of 12961492 is about 234.9010719862.

The spelling of 12961492 in words is "twelve million, nine hundred sixty-one thousand, four hundred ninety-two".