1314387 has 16 divisors (see below), whose sum is σ = 1974560. Its totient is φ = 874800.
The previous prime is 1314377. The next prime is 1314409. The reversal of 1314387 is 7834131.
It is not a de Polignac number, because 1314387 - 24 = 1314371 is a prime.
It is a super-2 number, since 2×13143872 = 3455226371538, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
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 1314387.
It is not an unprimeable number, because it can be changed into a prime (1314317) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887 + ... + 2487.
It is an arithmetic number, because the mean of its divisors is an integer number (123410).
21314387 is an apocalyptic number.
1314387 is a deficient number, since it is larger than the sum of its proper divisors (660173).
1314387 is an frugal number, since it uses more digits than its factorization.
1314387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 622 (or 604 counting only the distinct ones).
The product of its digits is 2016, while the sum is 27.
The square root of 1314387 is about 1146.4671822604. The cubic root of 1314387 is about 109.5404241815.
It can be divided in two parts, 13 and 14387, that added together give a square (14400 = 1202).
The spelling of 1314387 in words is "one million, three hundred fourteen thousand, three hundred eighty-seven".
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