13158390 has 32 divisors (see below), whose sum is σ = 36092160. Its totient is φ = 3007584.

The previous prime is 13158389. The next prime is 13158403. The reversal of 13158390 is 9385131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31120 + ... + 31539.

It is an arithmetic number, because the mean of its divisors is an integer number (1127880).

Almost surely, 2^13158390 is an apocalyptic number.

13158390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13158390 is an abundant number, since it is smaller than the sum of its proper divisors (22933770).

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

13158390 is a wasteful number, since it uses less digits than its factorization.

13158390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62676.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 13158390 is about 3627.4495172228. The cubic root of 13158390 is about 236.0845598543.

The spelling of 13158390 in words is "thirteen million, one hundred fifty-eight thousand, three hundred ninety".