12522195 has 60 divisors (see below), whose sum is σ = 26153424. Its totient is φ = 5715360.

The previous prime is 12522193. The next prime is 12522221. The reversal of 12522195 is 59122521.

It is not a de Polignac number, because 12522195 - 2¹ = 12522193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12522193) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 19530 + ... + 20160.

Almost surely, 2^12522195 is an apocalyptic number.

12522195 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12522195 is an abundant number, since it is smaller than the sum of its proper divisors (13631229).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12522195 is an equidigital number, since it uses as much as digits as its factorization.

12522195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662 (or 646 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 12522195 is about 3538.6713608359. The cubic root of 12522195 is about 232.2167205474.

It can be divided in two parts, 125221 and 95, that added together give a square (125316 = 354²).

The spelling of 12522195 in words is "twelve million, five hundred twenty-two thousand, one hundred ninety-five".