12954409 has 16 divisors (see below), whose sum is σ = 14817600. Its totient is φ = 11226816.

The previous prime is 12954407. The next prime is 12954427. The reversal of 12954409 is 90445921.

12954409 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12954409 - 2¹ = 12954407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12954407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44067 + ... + 44359.

It is an arithmetic number, because the mean of its divisors is an integer number (926100).

Almost surely, 2^12954409 is an apocalyptic number.

12954409 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12954409 is a deficient number, since it is larger than the sum of its proper divisors (1863191).

12954409 is a wasteful number, since it uses less digits than its factorization.

12954409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 12954409 is about 3599.2233884548. The cubic root of 12954409 is about 234.8582757953.

The spelling of 12954409 in words is "twelve million, nine hundred fifty-four thousand, four hundred nine".