12199495 has 16 divisors (see below), whose sum is σ = 18252288. Its totient is φ = 7604640.

The previous prime is 12199457. The next prime is 12199507. The reversal of 12199495 is 59499121.

12199495 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12199495 - 2¹⁹ = 11675207 is a prime.

It is a Duffinian number.

12199495 is strictly pandigital in base 8.

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, 15459 + ... + 16228.

It is an arithmetic number, because the mean of its divisors is an integer number (1140768).

Almost surely, 2^12199495 is an apocalyptic number.

12199495 is a deficient number, since it is larger than the sum of its proper divisors (6052793).

12199495 is a wasteful number, since it uses less digits than its factorization.

12199495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31710.

The product of its digits is 29160, while the sum is 40.

The square root of 12199495 is about 3492.7775480268. Note that the first 3 decimals coincide. The cubic root of 12199495 is about 230.2045753887.

The spelling of 12199495 in words is "twelve million, one hundred ninety-nine thousand, four hundred ninety-five".