12011401 has 16 divisors (see below), whose sum is σ = 13728960. Its totient is φ = 10437120.

The previous prime is 12011393. The next prime is 12011411. The reversal of 12011401 is 10411021.

It is a cyclic number.

It is not a de Polignac number, because 12011401 - 2³ = 12011393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12790 + ... + 13696.

It is an arithmetic number, because the mean of its divisors is an integer number (858060).

Almost surely, 2^12011401 is an apocalyptic number.

It is an amenable number.

12011401 is a deficient number, since it is larger than the sum of its proper divisors (1717559).

12011401 is a wasteful number, since it uses less digits than its factorization.

12011401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 12011401 is about 3465.7468170656. The cubic root of 12011401 is about 229.0153304891.

Adding to 12011401 its reverse (10411021), we get a palindrome (22422422).

The spelling of 12011401 in words is "twelve million, eleven thousand, four hundred one".