11653671 has 8 divisors (see below), whose sum is σ = 15554160. Its totient is φ = 7761152.

The previous prime is 11653651. The next prime is 11653673. The reversal of 11653671 is 17635611.

11653671 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 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 11653671 - 2²² = 7459367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11653673) 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, 3991 + ... + 6263.

It is an arithmetic number, because the mean of its divisors is an integer number (1944270).

Almost surely, 2^11653671 is an apocalyptic number.

11653671 is a deficient number, since it is larger than the sum of its proper divisors (3900489).

11653671 is a wasteful number, since it uses less digits than its factorization.

11653671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3985.

The product of its digits is 3780, while the sum is 30.

The square root of 11653671 is about 3413.7473544479. The cubic root of 11653671 is about 226.7188261836.

The spelling of 11653671 in words is "eleven million, six hundred fifty-three thousand, six hundred seventy-one".