11407389 has 16 divisors (see below), whose sum is σ = 17808000. Its totient is φ = 6359040.

The previous prime is 11407381. The next prime is 11407423. The reversal of 11407389 is 98370411.

11407389 = T₁₂₆ + T₁₂₇ + ... + T₄₁₂.

It is not a de Polignac number, because 11407389 - 2³ = 11407381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11407381) 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, 5764 + ... + 7485.

It is an arithmetic number, because the mean of its divisors is an integer number (1113000).

Almost surely, 2^11407389 is an apocalyptic number.

It is an amenable number.

11407389 is a deficient number, since it is larger than the sum of its proper divisors (6400611).

11407389 is a wasteful number, since it uses less digits than its factorization.

11407389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13300.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 11407389 is about 3377.4826424424. The cubic root of 11407389 is about 225.1103261409.

It can be divided in two parts, 1140 and 7389, that multiplied together give a triangular number (8423460 = T₄₁₀₄).

The spelling of 11407389 in words is "eleven million, four hundred seven thousand, three hundred eighty-nine".