12739158 has 36 divisors (see below), whose sum is σ = 29205540. Its totient is φ = 4002048.

The previous prime is 12739141. The next prime is 12739159. The reversal of 12739158 is 85193721.

It is a super-2 number, since 2×12739158² = 324572293097928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12739159) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 65910 + ... + 66102.

It is an arithmetic number, because the mean of its divisors is an integer number (811265).

Almost surely, 2^12739158 is an apocalyptic number.

12739158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12739158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14602770).

12739158 is an abundant number, since it is smaller than the sum of its proper divisors (16466382).

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

12739158 is a wasteful number, since it uses less digits than its factorization.

12739158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 217 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12739158 is about 3569.1957077190. The cubic root of 12739158 is about 233.5501988312.

It can be divided in two parts, 127391 and 58, that added together give a square (127449 = 357²).

The spelling of 12739158 in words is "twelve million, seven hundred thirty-nine thousand, one hundred fifty-eight".