13156550 has 48 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 4528800.

The previous prime is 13156547. The next prime is 13156553. The reversal of 13156550 is 5565131.

It is an interprime number because it is at equal distance from previous prime (13156547) and next prime (13156553).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13156553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9821 + ... + 11079.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^13156550 is an apocalyptic number.

13156550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13156550 is an abundant number, since it is smaller than the sum of its proper divisors (14966650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13156550 is a wasteful number, since it uses less digits than its factorization.

13156550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 13156550 is about 3627.1958866320. The cubic root of 13156550 is about 236.0735550672.

The spelling of 13156550 in words is "thirteen million, one hundred fifty-six thousand, five hundred fifty".