11900801 has 4 divisors (see below), whose sum is σ = 12982704. Its totient is φ = 10818900.

The previous prime is 11900771. The next prime is 11900803. The reversal of 11900801 is 10800911.

11900801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11900801 - 2²² = 7706497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11900803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540935 + ... + 540956.

It is an arithmetic number, because the mean of its divisors is an integer number (3245676).

Almost surely, 2^11900801 is an apocalyptic number.

11900801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11900801 is a deficient number, since it is larger than the sum of its proper divisors (1081903).

11900801 is a wasteful number, since it uses less digits than its factorization.

11900801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081902.

The product of its (nonzero) digits is 72, while the sum is 20.

The square root of 11900801 is about 3449.7537593283. The cubic root of 11900801 is about 228.3102437566.

The spelling of 11900801 in words is "eleven million, nine hundred thousand, eight hundred one".