13402261 has 8 divisors (see below), whose sum is σ = 14436864. Its totient is φ = 12405360.

The previous prime is 13402253. The next prime is 13402297. The reversal of 13402261 is 16220431.

13402261 is digitally balanced in base 3, 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 13402261 - 2³ = 13402253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402561) 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, 8686 + ... + 10111.

It is an arithmetic number, because the mean of its divisors is an integer number (1804608).

Almost surely, 2^13402261 is an apocalyptic number.

It is an amenable number.

13402261 is a deficient number, since it is larger than the sum of its proper divisors (1034603).

13402261 is a wasteful number, since it uses less digits than its factorization.

13402261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18851.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13402261 is about 3660.9098595841. The cubic root of 13402261 is about 237.5341321213.

Adding to 13402261 its reverse (16220431), we get a palindrome (29622692).

The spelling of 13402261 in words is "thirteen million, four hundred two thousand, two hundred sixty-one".