11420943 has 4 divisors (see below), whose sum is σ = 15227928. Its totient is φ = 7613960.

The previous prime is 11420939. The next prime is 11420947. The reversal of 11420943 is 34902411.

11420943 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11420939) and next prime (11420947).

It is a cyclic number.

It is not a de Polignac number, because 11420943 - 2² = 11420939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420947) 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, 1903488 + ... + 1903493.

It is an arithmetic number, because the mean of its divisors is an integer number (3806982).

Almost surely, 2^11420943 is an apocalyptic number.

11420943 is a deficient number, since it is larger than the sum of its proper divisors (3806985).

11420943 is an equidigital number, since it uses as much as digits as its factorization.

11420943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806984.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 11420943 is about 3379.4885707752. The cubic root of 11420943 is about 225.1994478416.

The spelling of 11420943 in words is "eleven million, four hundred twenty thousand, nine hundred forty-three".