13550975 has 12 divisors (see below), whose sum is σ = 17383560. Its totient is φ = 10466400.

The previous prime is 13550969. The next prime is 13550981. The reversal of 13550975 is 57905531.

It is an interprime number because it is at equal distance from previous prime (13550969) and next prime (13550981).

It is not a de Polignac number, because 13550975 - 2⁴ = 13550959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8621 + ... + 10070.

It is an arithmetic number, because the mean of its divisors is an integer number (1448630).

Almost surely, 2^13550975 is an apocalyptic number.

13550975 is a deficient number, since it is larger than the sum of its proper divisors (3832585).

13550975 is a wasteful number, since it uses less digits than its factorization.

13550975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18730 (or 18725 counting only the distinct ones).

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 13550975 is about 3681.1648971487. The cubic root of 13550975 is about 238.4094768146.

The spelling of 13550975 in words is "thirteen million, five hundred fifty thousand, nine hundred seventy-five".