11493870 has 64 divisors (see below), whose sum is σ = 30191616. Its totient is φ = 2787840.

The previous prime is 11493869. The next prime is 11493871. The reversal of 11493870 is 7839411.

11493870 = T₃₀₅ + T₃₀₆ + ... + T₄₅₉.

It is an interprime number because it is at equal distance from previous prime (11493869) and next prime (11493871).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15447 + ... + 16173.

It is an arithmetic number, because the mean of its divisors is an integer number (471744).

Almost surely, 2^11493870 is an apocalyptic number.

11493870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11493870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15095808).

11493870 is an abundant number, since it is smaller than the sum of its proper divisors (18697746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11493870 is a wasteful number, since it uses less digits than its factorization.

11493870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 11493870 is about 3390.2610518956. The cubic root of 11493870 is about 225.6777588324.

The spelling of 11493870 in words is "eleven million, four hundred ninety-three thousand, eight hundred seventy".