13375550 has 12 divisors (see below), whose sum is σ = 24878616. Its totient is φ = 5350200.

The previous prime is 13375519. The next prime is 13375559. The reversal of 13375550 is 5557331.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13375559) 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 5 ways as a sum of consecutive naturals, for example, 133706 + ... + 133805.

It is an arithmetic number, because the mean of its divisors is an integer number (2073218).

Almost surely, 2^13375550 is an apocalyptic number.

13375550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13375550 is a deficient number, since it is larger than the sum of its proper divisors (11503066).

13375550 is a wasteful number, since it uses less digits than its factorization.

13375550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267523 (or 267518 counting only the distinct ones).

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 13375550 is about 3657.2599032609. The cubic root of 13375550 is about 237.3762235921.

The spelling of 13375550 in words is "thirteen million, three hundred seventy-five thousand, five hundred fifty".