13165450 has 24 divisors (see below), whose sum is σ = 24641280. Its totient is φ = 5233200.

The previous prime is 13165441. The next prime is 13165457. The reversal of 13165450 is 5456131.

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

It is not an unprimeable number, because it can be changed into a prime (13165457) 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 11 ways as a sum of consecutive naturals, for example, 8215 + ... + 9685.

It is an arithmetic number, because the mean of its divisors is an integer number (1026720).

Almost surely, 2^13165450 is an apocalyptic number.

13165450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13165450 is a deficient number, since it is larger than the sum of its proper divisors (11475830).

13165450 is a wasteful number, since it uses less digits than its factorization.

13165450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662 (or 1657 counting only the distinct ones).

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

The square root of 13165450 is about 3628.4225222540. The cubic root of 13165450 is about 236.1267752263.

The spelling of 13165450 in words is "thirteen million, one hundred sixty-five thousand, four hundred fifty".