11345405 has 8 divisors (see below), whose sum is σ = 13845600. Its totient is φ = 8922256.

The previous prime is 11345401. The next prime is 11345419. The reversal of 11345405 is 50454311.

11345405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11345405 - 2² = 11345401 is a prime.

It is a super-2 number, since 2×11345405² = 257436429228050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11345401) 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, 18935 + ... + 19524.

It is an arithmetic number, because the mean of its divisors is an integer number (1730700).

Almost surely, 2^11345405 is an apocalyptic number.

It is an amenable number.

11345405 is a deficient number, since it is larger than the sum of its proper divisors (2500195).

11345405 is an equidigital number, since it uses as much as digits as its factorization.

11345405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38523.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 11345405 is about 3368.2940786101. The cubic root of 11345405 is about 224.7018602638.

Adding to 11345405 its reverse (50454311), we get a palindrome (61799716).

The spelling of 11345405 in words is "eleven million, three hundred forty-five thousand, four hundred five".