13031006 has 4 divisors (see below), whose sum is σ = 19546512. Its totient is φ = 6515502.

The previous prime is 13030999. The next prime is 13031009. The reversal of 13031006 is 60013031.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257750 + ... + 3257753.

It is an arithmetic number, because the mean of its divisors is an integer number (4886628).

Almost surely, 2^13031006 is an apocalyptic number.

13031006 is a deficient number, since it is larger than the sum of its proper divisors (6515506).

13031006 is an equidigital number, since it uses as much as digits as its factorization.

13031006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515505.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13031006 is about 3609.8484732742. The cubic root of 13031006 is about 235.3202574856.

Adding to 13031006 its reverse (60013031), we get a palindrome (73044037).

The spelling of 13031006 in words is "thirteen million, thirty-one thousand, six".