13912497 has 12 divisors (see below), whose sum is σ = 20141940. Its totient is φ = 9253728.

The previous prime is 13912471. The next prime is 13912499. The reversal of 13912497 is 79421931.

13912497 is digitally balanced in base 3, 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 2 ways, for example, as 11553201 + 2359296 = 3399^2 + 1536^2 .

It is not a de Polignac number, because 13912497 - 2¹⁵ = 13879729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13912499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3063 + ... + 6099.

It is an arithmetic number, because the mean of its divisors is an integer number (1678495).

Almost surely, 2^13912497 is an apocalyptic number.

It is an amenable number.

13912497 is a deficient number, since it is larger than the sum of its proper divisors (6229443).

13912497 is a wasteful number, since it uses less digits than its factorization.

13912497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3552 (or 3549 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 13912497 is about 3729.9459781611. The cubic root of 13912497 is about 240.5110464423.

The spelling of 13912497 in words is "thirteen million, nine hundred twelve thousand, four hundred ninety-seven".