13172258 has 16 divisors (see below), whose sum is σ = 21767616. Its totient is φ = 5928240.

The previous prime is 13172251. The next prime is 13172287. The reversal of 13172258 is 85227131.

13172258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13172258.

It is not an unprimeable number, because it can be changed into a prime (13172251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (1360476).

Almost surely, 2^13172258 is an apocalyptic number.

13172258 is a deficient number, since it is larger than the sum of its proper divisors (8595358).

13172258 is a wasteful number, since it uses less digits than its factorization.

13172258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5929.

The product of its digits is 3360, while the sum is 29.

The square root of 13172258 is about 3629.3605497388. The cubic root of 13172258 is about 236.1674694695.

Adding to 13172258 its reverse (85227131), we get a palindrome (98399389).

It can be divided in two parts, 13 and 172258, that added together give a palindrome (172271).

The spelling of 13172258 in words is "thirteen million, one hundred seventy-two thousand, two hundred fifty-eight".