13402051 has 8 divisors (see below), whose sum is σ = 14574560. Its totient is φ = 12249792.

The previous prime is 13402043. The next prime is 13402063. The reversal of 13402051 is 15020431.

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 13402051 - 2³ = 13402043 is a prime.

It is a super-2 number, since 2×13402051² = 359229942013202, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13402651) 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, 3666 + ... + 6343.

It is an arithmetic number, because the mean of its divisors is an integer number (1821820).

Almost surely, 2^13402051 is an apocalyptic number.

13402051 is a deficient number, since it is larger than the sum of its proper divisors (1172509).

13402051 is a wasteful number, since it uses less digits than its factorization.

13402051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10125.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13402051 is about 3660.8811780772. The cubic root of 13402051 is about 237.5328914742.

Adding to 13402051 its reverse (15020431), we get a palindrome (28422482).

It can be divided in two parts, 1340 and 2051, that multiplied together give a triangular number (2748340 = T₂₃₄₄).

The spelling of 13402051 in words is "thirteen million, four hundred two thousand, fifty-one".