13146550 has 24 divisors (see below), whose sum is σ = 24576552. Its totient is φ = 5232000.

The previous prime is 13146509. The next prime is 13146563. The reversal of 13146550 is 5564131.

13146550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 11505 + ... + 12595.

It is an arithmetic number, because the mean of its divisors is an integer number (1024023).

Almost surely, 2^13146550 is an apocalyptic number.

13146550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13146550 is a deficient number, since it is larger than the sum of its proper divisors (11430002).

13146550 is a wasteful number, since it uses less digits than its factorization.

13146550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 13146550 is about 3625.8171492782. The cubic root of 13146550 is about 236.0137284937.

The spelling of 13146550 in words is "thirteen million, one hundred forty-six thousand, five hundred fifty".