11402401 has 6 divisors (see below), whose sum is σ = 11720310. Its totient is φ = 11092896.

The previous prime is 11402357. The next prime is 11402407. The reversal of 11402401 is 10420411.

It can be written as a sum of positive squares in 3 ways, for example, as 4004001 + 7398400 = 2001^2 + 2720^2 .

It is not a de Polignac number, because 11402401 - 2⁹ = 11401889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11402407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2796 + ... + 5533.

It is an arithmetic number, because the mean of its divisors is an integer number (1953385).

Almost surely, 2^11402401 is an apocalyptic number.

It is an amenable number.

11402401 is a deficient number, since it is larger than the sum of its proper divisors (317909).

11402401 is an frugal number, since it uses more digits than its factorization.

11402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8403 (or 8366 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 11402401 is about 3376.7441419213. The cubic root of 11402401 is about 225.0775107436.

Adding to 11402401 its reverse (10420411), we get a palindrome (21822812).

The spelling of 11402401 in words is "eleven million, four hundred two thousand, four hundred one".