13980497 has 2 divisors, whose sum is σ = 13980498. Its totient is φ = 13980496.

The previous prime is 13980493. The next prime is 13980517. The reversal of 13980497 is 79408931.

It is a happy number.

13980497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13957696 + 22801 = 3736^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 13980497 - 2² = 13980493 is a prime.

It is not a weakly prime, because it can be changed into another prime (13980493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6990248 + 6990249.

It is an arithmetic number, because the mean of its divisors is an integer number (6990249).

Almost surely, 2^13980497 is an apocalyptic number.

It is an amenable number.

13980497 is a deficient number, since it is larger than the sum of its proper divisors (1).

13980497 is an equidigital number, since it uses as much as digits as its factorization.

13980497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 13980497 is about 3739.0502804857. The cubic root of 13980497 is about 240.9022577304.

The spelling of 13980497 in words is "thirteen million, nine hundred eighty thousand, four hundred ninety-seven".