13480947 has 12 divisors (see below), whose sum is σ = 19505200. Its totient is φ = 8972208.

The previous prime is 13480891. The next prime is 13480979. The reversal of 13480947 is 74908431.

It is a happy number.

It is not a de Polignac number, because 13480947 - 2¹⁵ = 13448179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13480997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7929 + ... + 9477.

Almost surely, 2^13480947 is an apocalyptic number.

13480947 is a deficient number, since it is larger than the sum of its proper divisors (6024253).

13480947 is a wasteful number, since it uses less digits than its factorization.

13480947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522 (or 2519 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13480947 is about 3671.6409138150. The cubic root of 13480947 is about 237.9980874549.

The spelling of 13480947 in words is "thirteen million, four hundred eighty thousand, nine hundred forty-seven".