13170807 has 12 divisors (see below), whose sum is σ = 20488104. Its totient is φ = 8105040.

The previous prime is 13170803. The next prime is 13170811. The reversal of 13170807 is 70807131.

It is an interprime number because it is at equal distance from previous prime (13170803) and next prime (13170811).

It is not a de Polignac number, because 13170807 - 2² = 13170803 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13170803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56169 + ... + 56402.

It is an arithmetic number, because the mean of its divisors is an integer number (1707342).

Almost surely, 2^13170807 is an apocalyptic number.

13170807 is a deficient number, since it is larger than the sum of its proper divisors (7317297).

13170807 is a wasteful number, since it uses less digits than its factorization.

13170807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112590 (or 112587 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 13170807 is about 3629.1606467612. The cubic root of 13170807 is about 236.1587974159.

Adding to 13170807 its reverse (70807131), we get a palindrome (83977938).

It can be divided in two parts, 13 and 170807, that added together give a triangular number (170820 = T₅₈₄).

The spelling of 13170807 in words is "thirteen million, one hundred seventy thousand, eight hundred seven".