12001402 has 16 divisors (see below), whose sum is σ = 21238272. Its totient is φ = 4977360.

The previous prime is 12001387. The next prime is 12001411. The reversal of 12001402 is 20410021.

12001402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13393 + ... + 14260.

It is an arithmetic number, because the mean of its divisors is an integer number (1327392).

Almost surely, 2^12001402 is an apocalyptic number.

12001402 is a deficient number, since it is larger than the sum of its proper divisors (9236870).

12001402 is a wasteful number, since it uses less digits than its factorization.

12001402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27693.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 12001402 is about 3464.3039704968. The cubic root of 12001402 is about 228.9517642155.

Adding to 12001402 its reverse (20410021), we get a palindrome (32411423).

It can be divided in two parts, 12001 and 402, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 12001402 in words is "twelve million, one thousand, four hundred two".