12969149 has 8 divisors (see below), whose sum is σ = 13311648. Its totient is φ = 12630960.

The previous prime is 12969139. The next prime is 12969157. The reversal of 12969149 is 94196921.

It is a happy number.

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 12969149 - 2¹² = 12965053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12969139) 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, 5534 + ... + 7520.

It is an arithmetic number, because the mean of its divisors is an integer number (1663956).

Almost surely, 2^12969149 is an apocalyptic number.

It is an amenable number.

12969149 is a deficient number, since it is larger than the sum of its proper divisors (342499).

12969149 is a wasteful number, since it uses less digits than its factorization.

12969149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155.

The product of its digits is 34992, while the sum is 41.

The square root of 12969149 is about 3601.2704702646. The cubic root of 12969149 is about 234.9473188082.

The spelling of 12969149 in words is "twelve million, nine hundred sixty-nine thousand, one hundred forty-nine".