13172026 has 16 divisors (see below), whose sum is σ = 22627584. Its totient is φ = 5633424.

The previous prime is 13172023. The next prime is 13172051. The reversal of 13172026 is 62027131.

It is a junction number, because it is equal to n+sod(n) for n = 13171988 and 13172006.

It is not an unprimeable number, because it can be changed into a prime (13172023) 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, 11391 + ... + 12493.

It is an arithmetic number, because the mean of its divisors is an integer number (1414224).

Almost surely, 2^13172026 is an apocalyptic number.

13172026 is a deficient number, since it is larger than the sum of its proper divisors (9455558).

13172026 is a wasteful number, since it uses less digits than its factorization.

13172026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 13172026 is about 3629.3285880449. The cubic root of 13172026 is about 236.1660829400.

Adding to 13172026 its reverse (62027131), we get a palindrome (75199157).

The spelling of 13172026 in words is "thirteen million, one hundred seventy-two thousand, twenty-six".