13213492 has 6 divisors (see below), whose sum is σ = 23123618. Its totient is φ = 6606744.

The previous prime is 13213481. The next prime is 13213507. The reversal of 13213492 is 29431231.

It can be written as a sum of positive squares in only one way, i.e., 12988816 + 224676 = 3604^2 + 474^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1651683 + ... + 1651690.

Almost surely, 2^13213492 is an apocalyptic number.

It is an amenable number.

13213492 is a deficient number, since it is larger than the sum of its proper divisors (9910126).

13213492 is a wasteful number, since it uses less digits than its factorization.

13213492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303377 (or 3303375 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 13213492 is about 3635.0367260868. The cubic root of 13213492 is about 236.4136430505.

The spelling of 13213492 in words is "thirteen million, two hundred thirteen thousand, four hundred ninety-two".