11977403 has 8 divisors (see below), whose sum is σ = 12144528. Its totient is φ = 11811744.

The previous prime is 11977397. The next prime is 11977421. The reversal of 11977403 is 30477911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11977403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11977403.

It is not an unprimeable number, because it can be changed into a prime (11977423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31925 + ... + 32297.

It is an arithmetic number, because the mean of its divisors is an integer number (1518066).

Almost surely, 2^11977403 is an apocalyptic number.

11977403 is a deficient number, since it is larger than the sum of its proper divisors (167125).

11977403 is a wasteful number, since it uses less digits than its factorization.

11977403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 11977403 is about 3460.8384822179. The cubic root of 11977403 is about 228.7990520585.

The spelling of 11977403 in words is "eleven million, nine hundred seventy-seven thousand, four hundred three".