13023225 has 18 divisors (see below), whose sum is σ = 23326446. Its totient is φ = 6945600.

The previous prime is 13023203. The next prime is 13023251. The reversal of 13023225 is 52232031.

It can be written as a sum of positive squares in 3 ways, for example, as 41616 + 12981609 = 204^2 + 3603^2 .

It is not a de Polignac number, because 13023225 - 2¹⁸ = 12761081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13023198 and 13023207.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 28716 + ... + 29165.

Almost surely, 2^13023225 is an apocalyptic number.

13023225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13023225 is a deficient number, since it is larger than the sum of its proper divisors (10303221).

13023225 is a wasteful number, since it uses less digits than its factorization.

13023225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57897 (or 57889 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13023225 is about 3608.7705662732. The cubic root of 13023225 is about 235.2734104632.

Adding to 13023225 its reverse (52232031), we get a palindrome (65255256).

The spelling of 13023225 in words is "thirteen million, twenty-three thousand, two hundred twenty-five".