11402406 has 12 divisors (see below), whose sum is σ = 24705252. Its totient is φ = 3800796.

The previous prime is 11402357. The next prime is 11402407. The reversal of 11402406 is 60420411.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 633467 = 11402406 / (1 + 1 + 4 + 0 + 2 + 4 + 0 + 6).

It is a Curzon number.

It is a congruent 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, 316716 + ... + 316751.

It is an arithmetic number, because the mean of its divisors is an integer number (2058771).

Almost surely, 2^11402406 is an apocalyptic number.

11402406 is an abundant number, since it is smaller than the sum of its proper divisors (13302846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11402406 is a wasteful number, since it uses less digits than its factorization.

11402406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633475 (or 633472 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 11402406 is about 3376.7448822794. The cubic root of 11402406 is about 225.0775436428.

Adding to 11402406 its reverse (60420411), we get a palindrome (71822817).

The spelling of 11402406 in words is "eleven million, four hundred two thousand, four hundred six".