12261199 has 8 divisors (see below), whose sum is σ = 13017888. Its totient is φ = 11508480.

The previous prime is 12261187. The next prime is 12261211. The reversal of 12261199 is 99116221.

It is an interprime number because it is at equal distance from previous prime (12261187) and next prime (12261211).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12261199 - 2⁵ = 12261167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12261199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12262199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7539 + ... + 9019.

It is an arithmetic number, because the mean of its divisors is an integer number (1627236).

Almost surely, 2^12261199 is an apocalyptic number.

12261199 is a deficient number, since it is larger than the sum of its proper divisors (756689).

12261199 is a wasteful number, since it uses less digits than its factorization.

12261199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985.

The product of its digits is 1944, while the sum is 31.

The square root of 12261199 is about 3501.5994916609. The cubic root of 12261199 is about 230.5920412014.

The spelling of 12261199 in words is "twelve million, two hundred sixty-one thousand, one hundred ninety-nine".