12220495 has 16 divisors (see below), whose sum is σ = 16930368. Its totient is φ = 8294400.

The previous prime is 12220489. The next prime is 12220519. The reversal of 12220495 is 59402221.

It is not a de Polignac number, because 12220495 - 2¹³ = 12212303 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1807 + ... + 5263.

It is an arithmetic number, because the mean of its divisors is an integer number (1058148).

Almost surely, 2^12220495 is an apocalyptic number.

12220495 is a deficient number, since it is larger than the sum of its proper divisors (4709873).

12220495 is a wasteful number, since it uses less digits than its factorization.

12220495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12220495 is about 3495.7824589067. The cubic root of 12220495 is about 230.3365897287.

The spelling of 12220495 in words is "twelve million, two hundred twenty thousand, four hundred ninety-five".