12901669 has 8 divisors (see below), whose sum is σ = 14126112. Its totient is φ = 11685840.

The previous prime is 12901663. The next prime is 12901699. The reversal of 12901669 is 96610921.

12901669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12901669 - 2⁷ = 12901541 is a prime.

It is a super-2 number, since 2×12901669² = 332906125971122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12901663) 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, 1222 + ... + 5224.

It is an arithmetic number, because the mean of its divisors is an integer number (1765764).

Almost surely, 2^12901669 is an apocalyptic number.

It is an amenable number.

12901669 is a deficient number, since it is larger than the sum of its proper divisors (1224443).

12901669 is a wasteful number, since it uses less digits than its factorization.

12901669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 12901669 is about 3591.8893357118. The cubic root of 12901669 is about 234.5391238938.

The spelling of 12901669 in words is "twelve million, nine hundred one thousand, six hundred sixty-nine".