11929401 has 24 divisors (see below), whose sum is σ = 19262880. Its totient is φ = 7051200.

The previous prime is 11929391. The next prime is 11929403. The reversal of 11929401 is 10492911.

11929401 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11929401 - 2¹⁰ = 11928377 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11929403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2590 + ... + 5528.

It is an arithmetic number, because the mean of its divisors is an integer number (802620).

Almost surely, 2^11929401 is an apocalyptic number.

11929401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11929401 is a deficient number, since it is larger than the sum of its proper divisors (7333479).

11929401 is a wasteful number, since it uses less digits than its factorization.

11929401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2997 (or 2994 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 11929401 is about 3453.8964952644. The cubic root of 11929401 is about 228.4929891376.

The spelling of 11929401 in words is "eleven million, nine hundred twenty-nine thousand, four hundred one".